84 countries participated in the 1960 Summer Olympics at Rome: Afghanistan
Argentina
Australia
Austria
Bahamas
Belgium
Bermuda
Brazil
British Guiana
British West Indies
Bulgaria
Burma
Canada
Ceylon
Chile
Republic of China
Colombia
Cuba
Czechoslovakia
Denmark
Ethiopia
Fiji
Finland
France
Germany
Ghana
Greece
Haiti
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Iraq
Ireland
Israel
Italy
Japan
Kenya
South Korea
Lebanon
Liberia
Luxembourg
Malaya
Malta
Mexico
Monaco
Morocco
Netherlands
Netherlands Antilles
New Zealand
Nigeria
Norway
Pakistan
Panama
Peru
Philippines
Poland
Portugal
Puerto Rico
Rhodesia
Romania
San Marino
Singapore
Soviet Union
Spain
Sudan
Suriname
Sweden
Switzerland
Thailand
Tunisia
Turkey
Uganda
United Arab Republic
United States
Uruguay
Venezuela
Vietnam
Yugoslavia 30 countries participated in the 1960 Winter Olympics at Squaw Valley: Argentina
Australia
Austria
Bulgaria
Canada
Chile
Czechoslovakia
Denmark
Finland
France
Germany
Great Britain
Hungary
Iceland
Italy
Japan
South Korea
Lebanon
Liechtenstein
Netherlands
New Zealand
Norway
Poland
South Africa
Spain
Sweden
Switzerland
Turkey
United States
Soviet Union
92 countries sent 6,028 athletes to participate in the 1976 Summer Games in Montreal:
Andorra
Antigua
Argentina
Australia
Austria
Bahamas
Barbados
Belgium
Belize
Bermuda
Bolivia
Brazil
Bulgaria
Cameroon
Canada
Cayman Islands
Chile
Colombia
Costa Rica
Côte d'Ivoire
Cuba
Czechoslovakia
Denmark
Ecuador
Egypt
Fiji
Finland
France
East Germany
West Germany
Great Britain
Greece
Guatemala
Haiti
Honduras
Hong Kong
Hungary
Iceland
India
Indonesia
Iran
Ireland
Israel
Italy
Jamaica
Japan
North Korea
South Korea
Kuwait
Lebanon
Liechtenstein
Luxembourg
Malaysia
Mexico
Monaco
Mongolia
Morocco
Nepal
Netherlands
Netherlands Antilles
New Zealand
Nicaragua
Norway
Pakistan
Panama
Paraguay
Peru
Philippines
Poland
Portugal
Puerto Rico
Romania
San Marino
Saudi Arabia
Senegal
Singapore
Soviet Union
Spain
Suriname
Sweden
Switzerland
Thailand
Tunisia
Turkey
United States
Uruguay
Venezuela
Virgin Islands
Yugoslavia
Athletes from 80 countries competed at the 1980 Summer Olympics in Moscow.
Afghanistan
Algeria
Andorra
Angola
Australia
Austria
Belgium
Benin
Botswana
Brazil
Bulgaria
Burma
Cameroon
Colombia
Congo
Costa Rica
Cuba
Cyprus
Czechoslovakia
Denmark
Dominican Republic
Ecuador
Ethiopia
Finland
France
East Germany
Great Britain
Greece
Guatemala
Guinea
Guyana
Hungary
Iceland
India
Iraq
Ireland
Italy
Jamaica
Jordan
North Korea
Kuwait
Laos
Lebanon
Lesotho
Liberia
Libya
Luxembourg
Madagascar
Mali
Malta
Mexico
Mongolia
Mozambique
Nepal
Netherlands
Nicaragua
Nigeria
Peru
Poland
Portugal
Romania
San Marino
Senegal
Seychelles
Sierra Leone
Spain
Sri Lanka
Sweden
Switzerland
Syria
Tanzania
Trinidad and Tobago
Uganda
Venezuela
Vietnam
Yugoslavia
Zambia
Zimbabwe
the 2000 Olympics or the millenium games as they became known as,the medals were competed for by 199 countries
24 nations ! (:
205 nations
204
80 different nations competed in the 2006 Torino Olympics.
82 nations.
204 nations competed and are listed on related link
There were two Olympics in 1988 Summer Olymics Seoul Games, 160 nations competed and 8391 athletes Winter Olympics Calgary '88, 57 nations competed and 1,423 athletes
there were a total of 83 nations. Those nations competed in 150 events
2,566 athletes from 82 different nations competed at the 2010 Olympics.
252 athletes competed at the 1932 Winter Olympics.
311 men competed in those Olympics in Athens. They were all men.
3,684 women athletes competed in the 1996 Olympics held in Atlanta, Georgia.